diff --git a/src/libs/agent-runtime/baichuan/index.ts b/src/libs/agent-runtime/baichuan/index.ts
index 3d5f01d3e6c5..68c472646bf0 100644
--- a/src/libs/agent-runtime/baichuan/index.ts
+++ b/src/libs/agent-runtime/baichuan/index.ts
@@ -7,22 +7,15 @@ export const LobeBaichuanAI = LobeOpenAICompatibleFactory({
   baseURL: 'https://api.baichuan-ai.com/v1',
   chatCompletion: {
     handlePayload: (payload: ChatStreamPayload) => {
-      const { frequency_penalty, ...rest } = payload;
+      const { temperature, ...rest } = payload;
 
-      let adjustedFrequencyPenalty = frequency_penalty ?? 1;
-
-      if (frequency_penalty !== undefined) {
-        if (frequency_penalty < 1) {
-          // If less than 1 (including negative values), add 1 to bring it into the 1-2 range
-          adjustedFrequencyPenalty = Math.min(Math.max(frequency_penalty + 1, 1), 2);
-        } else if (frequency_penalty > 2) {
-          // If greater than 2, cap it at 2
-          adjustedFrequencyPenalty = 2;
-        }
-        // If between 1 and 2, keep the original value
-      }
-
-      return { ...rest, frequency_penalty: adjustedFrequencyPenalty } as OpenAI.ChatCompletionCreateParamsStreaming;
+      return { 
+        ...rest, 
+        temperature: 
+          temperature !== undefined 
+          ? temperature / 2
+          : undefined,
+      } as OpenAI.ChatCompletionCreateParamsStreaming;
     },
   },
   debug: {